algebra

• POS: Noun
• HYPHEN: al=ge=bra

CIDE DICTIONARY

algebra, n. [LL. algebra, fr. Ar. al-jebr reduction of parts to a whole, or fractions to whole numbers, fr. jabara to bind together, consolidate; al-jebr w'almuqābalah reduction and comparison (by equations): cf. F. algèbre, It. & Sp. algebra.].

•  That branch of mathematics which treats of the relations and properties of quantity by means of letters and other symbols. It is applicable to those relations that are true of every kind of magnitude.  [1913 Webster]
•  A treatise on this science.  [1913 Webster]

OXFORD DICTIONARY

algebra, n.
1 the branch of mathematics that uses letters and other general symbols to represent numbers and quantities in formulae and equations.
2 a system of this based on given axioms (linear algebra; the algebra of logic).

Derivative

algebraic adj. algebraical adj. algebraically adv. algebraist n.

Etymology

It. & Sp. & med.L, f. Arab. al-jabr f. al the + jabr reunion of broken parts f. jabara reunite

ROGET THESAURUS

algebra

Numeration

N numeration, numbering, pagination, tale, recension, enumeration, summation, reckoning, computation, supputation, calculation, calculus, algorithm, algorism, rhabdology, dactylonomy, measurement, statistics, arithmetic, analysis, algebra, geometry, analytical geometry, fluxions, differential calculus, integral calculus, infinitesimal calculus, calculus of differences, dead reckoning, muster, poll, census, capitation, roll call, recapitulation, account, notation, addition, subtraction, multiplication, division, rule of three, practice, equations, extraction of roots, reduction, involution, evolution, estimation, approximation, interpolation, differentiation, integration, abacus, logometer, slide rule, slipstick, tallies, Napier's bones, calculating machine, difference engine, suan- pan, adding machine, cash register, electronic calculator, calculator, computer, arithmetician, calculator, abacist, algebraist, mathematician, statistician, geometer, programmer, accountant, auditor, numeral, numerical, arithmetical, analytic, algebraic, statistical, numerable, computable, calculable, commensurable, commensurate, incommensurable, incommensurate, innumerable, unfathomable, infinite, quantitatively, arithmetically, measurably, in numbers.